Job Description

Calling all innovators – find your future at Fiserv. We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Finxact - Senior Software Performance Engineer Finxact, a Fiserv Company, brings innovation at the core of banking and provides a next generation core platform. Our mission is to redefine core processing and our commitment is to be the best at what we do. What does a successful Senior Software Performance Engineer do at Fiserv? You will use your experience specializing in performance and play a crucial role within the architecture team. You will contribute to the design and development of scalable, high-performance application components. You will collaborate across teams to ensure system stability, optimize performance, and build solutions that meet growing business needs. What you will do: Design and develop scalable, maintainable framework components for Go-based applications across the enterprise Ensure system architecture can handle increasing workloads, data growth, and scale horizontally to meet future demands Translate software requirements into robust, high-performance applications that function seamlessly under heavy loads Solve complex performance challenges, optimize for speed, availability, and seamless integration with other components Develop services that interact with relational database management systems, RDBMS and messaging systems, fine-tuning database queries and performance Collaborate with cloud infrastructure teams to optimize performance in multi-cloud environments Investigate and resolve production performance bottlenecks, identify and address optimization opportunities Utilize observability tools to detect, analyze, and resolve performance issues efficiently What you will need to have: 6-10 years of software development experience 2+ years of hands-on experience developing Go applications, utilizing frameworks like Gorilla/Mux or Chi, and managing dependencies with Go Modules or similar tools 2+ years of experience building applications backed by relational databases such as PostgreSQL 1-2 years of experience with containerization and orchestration tools like Docker and Kubernetes 1-2 years of experience working with observability platforms such as Datadog or Grafana 1-2 years of experience with version control systems, Git and continuous integration tools Bachelor’s degree in computer science, engineering, or a related field, or equivalent work or military experience What would be nice to have: Experience with event-driven architectures and messaging systems like RabbitMQ or Kafka Experience with pprof, flame graphs, or similar tools for CPU, memory, and I/O optimization Experience in designing and optimizing high-performance distributed systems Familiarity with gRPC, and network performance tuning Familiarity with code generation tools and techniques This role is not eligible to be performed in Colorado, California, District of Columbia, Hawaii, Maryland, New York, Nevada, Rhode Island or Washington. Please note that salary ranges provided for this role on external job boards are salary estimates made by outside parties and may not be accurate. Thank you for considering employment with Fiserv. Please: Apply using your legal name Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable). What you should know about us: Fiserv is a global leader in payments and financial technology with more than 40,000 associates proudly serving clients in more than 100 countries. As one of Fortune ® magazine's "World's Most Admired Companies™" 9 of the last 10 years, one of Fast Company’s Most Innovative Companies, and a top scorer on Bloomberg’s Gender-Equality Index, we are committed to innovation and excellence. Our commitment to Diversity and Inclusion: Fiserv is an Equal Opportunity Employer, and we welcome and encourage diversity in our workforce that reflects our world. All qualified applicants will receive consideration for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other category protected by law. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. Warning about fake job posts: Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate business email address. We will not hire through text message, social media, or email alone, and any interviews will be conducted in person or through a secure video call. We won’t ask you for sensitive information nor will we ask you to pay anything during the hiring process. We also won’t send you a check to cash on Fiserv’s behalf. If you see suspicious activity or believe that you have been the victim of a job posting scam, you should report it to your local FBI field office or to the FBI’s Internet Crime Complaint Center.

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